Dual-beam UV-Vis Spectrophotometer TU-1901

Product Specification

Model No. TU-1901
Measurement Method ★Transmittance, Absorbance, Energy, Reflectance
Wavelength range 190 nm to 1100 nm
Spectral bandwidth 0.5/1/2/4/5nm
Stray light ≤±0.03 %T(220 nm ,360nmNaL)
Wavelength accuracy ≤±0.3 nm
Wavelength repeatability ≤0.1nm
Wavelength display 0.1nm
Wavelength setting 0.1nm
Photometric range 0-999.9%(T), -4 A to 4 A,0-999,9C,1-9999F
Photometric accuracy ≤±0.3 %T (0 to 100 %T)
≤±0.002A (0 to 0.5A)
≤±0.004A(0.5~1A)
≤±0.006A (at 2.0A)
Photometric repeatability ≤0.15%(T) (0-100%T)
≤± 0.001 A (0～0.5 A)
≤±0.002A(0.5~1A)
Baseline straightness ≤±0.0008 A (190nm-1100nm), ≤0.0008 A (190nm-1100nm)
Beamsplitters Holographic Gratings
Stability ≤±0.0003A/h (700nm, 1h warm-up)
噪声 ≤±0.0003 A
Power supply 100/240V,50/60±1Hz
Derivative fraction >0.5

★Scanning speed Wavelength shift ;Approx. 3000nm/minWavelength scanning; 24nm/min-1400nm/min
★Switching wavelength of the light source can be automatically switched, and the switching wavelength can be set arbitrarily in the range of 295-364nm.

Product Features

Instrument Features.

★-Luminosity Measurement Transmittance and absorbance at 1 to 6 wavelengths can be measured simultaneously.

-Spectral Measurement Performs spectral scanning of transmittance, absorbance, and energy in the wavelength range, and performs a variety of data processing, such as peaks and valleys detection, derivative operations, and spectral arithmetic.

Quantitative measurements Single, dual, triple and multi-wavelength measurements.1 to 9-point working curve (1 to 3 times) regression.

-Kinetics Measurement Performs time scans of transmittance and absorbance at arbitrary wavelengths and performs various data calculations.

-Data output Data and parameter files can be accessed, and measurement results are output in a standardized, common data file format.

PC version software features:

The UVCON control software, developed under Windows-based environment, allows full control of the host computer.

Includes data acquisition (single-point measurement, multi-point measurement, spectral scanning, quantitative determination, time scanning and DNA determination) and various data processing.

:: Standardization, peak and valley detection, area calculation

:: Zooming in, zooming out, smoothing, inverting, quadratic operations, T-A conversion of graphs

:: Single- and multi-wavelength quantitative measurements

● K-coefficient method, one-point working curve method, multi-point working curve method, 1 to 3 times function fitting possible

● Outlier culling in quantitative analysis

● Curve coefficients can be corrected

● Mass storage of scanning profiles, working curves and test results

● Test reports are output in a standard file format

:: Printers can be selected at will

TU-1901 application software function introduction:

quantitative measurement

★● Single-wavelength, dual-wavelength, and triple-wavelength methods

:: Standard curve and coefficient methods

Dynamics testing

★● The change in luminosity of the sample over a period of time at a fixed wavelength point, and the sample reaction rate △A/t can be calculated.

Multi-wavelength testing

Measurement of absorbance and transmittance of samples at multiple wavelengths.

DNA/Protein Testing

:: Provides 2 test methods to determine protein concentration, DNA concentration and ratios

spectral scan

Scanning of absorbance and transmittance over the full wavelength range.

★● Plots can be analyzed for 1st-4th order derivatives, quadratic operations, superposition, etc.

Scanning interval, scanning zone, scanning speed, T, A mode, etc. can be set by yourself.

★● Scanning interval 0.1, 0.2, 0.5, 1, 2, 5nm optional cuvette correction

One year warranty for the whole product.

Reference price：￥68000